<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>select</title>
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<form role="form">
    <div class="form-group">
        <label for="name">选择列表</label>
        <select class="form-control">
            <option>A</option><option>B</option><option>C</option><option>D</option><option>E</option>
        </select>
        <label for="name">可多选-选择列表</label>
        <select multiple class="form-control">
            <option>A</option><option>B</option><option>C</option><option>D</option><option>E</option>
        </select>
    </div>
</form>
</body>
</html>